Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 712 [Rate centres in NPA 712] [Dial plan for NPA 712]

NXX: 671

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
712-671 A Shenandoah IA BLLVNEBL5MD  9877 LEVEL 3 COMMUNICATIONS, LLC - IA 644      
712-671 0 Shenandoah IA   6701 AERIAL COMMUNICATIONS, INC. 644   2024-09-12   
712-671 1 Shenandoah IA   5562 METROPCS, INC. 644   2024-09-12   
712-671 2 Shenandoah IA   221F ONVOY, LLC - IA 644   2022-03-30   
712-671 3 Shenandoah IA   221F ONVOY, LLC - IA 644   2022-03-30   
712-671 4 Shenandoah IA   9877 LEVEL 3 COMMUNICATIONS, LLC - IA 644   2022-03-29   
712-671 5 Shenandoah IA   624H ONVOY SPECTRUM, LLC 644   2024-12-19   
712-671 6 Shenandoah IA   478H AIRUS, INC. - NE 644   2025-05-11   
712-671 9 Shenandoah IA   6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 644   2024-08-23   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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